Coordination Chemistry Reviews 147, Complete, REVIEWS January 1996 Contents Chemistry of 2-(diphenylphosphino) pyridine Z.-Z. Zhang and H. Cheng Azaporphyrins: structure of the reaction centre and reactions of complex formation P.A. Stuzhin and O.G. Khelevina Effective core potential studies of transition metal bonding, structure and reactivity M.S. Gordon and T.R. Cundari Structural patterns in inorganic and organoantimony derivatives of oxo- and thiodiorganophosphorus ligands C. Silvestru and 1. Haiduc Early transition metal thiolates D.W. Stephan and T.T. Nadasdi Reactivity of mononuclear rhodium(II) compounds D.G. DeWit Organometallic complexes of heterocycles Il. Complexes of pyrazoles A.P. Sadimenko and S.S. Basson Reactions of transition metal-coordinated nitriles R.A. Michelin, M. Mozzon and R. Bertani Polypyrrole films containing metal complexes: syntheses and applications A. Deronzier and J.-C. Moutet Lanthanides and actinides. Annual survey of their organometallic chemistry covering the year 1993 J. Richter and F.T. Edelmann